Look like a real hero and treat someone special to one of Restaurateur Danny Meyer’s signature establishments.   This $250 Gift Certificate is good at one of many Union Square Hospitality Group restaurants,  which includes Union Square Cafe, Gramercy Tavern, Eleven Madison Park, Tabla, Blue Smoke, The Modern and  Shake Shack.   Reserve 4 weeks prior to desired date; reservations begin at 9:30 a.m.